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- The cochlea is responsible for hearing while the vestibule and semicircular canals are important for balance. The neural signals from these regions are relayed to the brainstem through separate fiber bundles. called the cochlear nerve and the vestibular nerve.
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What role does the brain play in hearing?
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Nov 18, 2022 · Here’s what to know about your ears — and how what they do connects to your brain. While our brains provide us with a tremendous amount of information about the sounds we hear and what they mean to us, at the most basic level, our auditory system answers two major questions about any sound.
- Can You Hear Me Now?
- From Pressure Wave to Electrical Signal
- Making Sense of Sound
- Hearing Problems and Loss
The dreaded morning alarm. The cellphone ringtone. Your favorite jogging music. All these sounds activate the auditory system. A series of steps convert those sounds into electrical signals to get the process rolling. Sound in the form of air pressure waves reaches the outer, external parts of your ears. The waves follow the ears’ funnel shape unti...
Running along the inside of the cochlea like a winding ramp is the basilar membrane. This elastic membrane spirals from the outer coil, near the oval window, to the innermost coil. The basilar membrane is “tuned” along its length to different frequencies, or pitches. It moves when the fluid inside the cochlea ripples in response to structures movin...
The brainstem and thalamus use the information from both ears to compute a sound’s direction and location. In the primary auditory cortexdifferent auditory neurons respond to different frequencies, which maintains the frequency map generated by the hair cells. Some cortical neurons respond to sound qualities including intensity, duration, or a chan...
While both sides of the brain process sound, the left side is typically responsible for understanding and producing speech. Brain damage can affect this process. A stroke, for example, may damage the left auditory cortex. Someone who suffers injury in that area — particularly in Wernicke’s area— can hear speech but no longer understand the meaning....
Oct 12, 2023 · Electrical signals containing information about sounds travel from the Organ of Corti through the cochlear nerve to the auditory canal and cortex. The auditory cortex is located in the temporal lobe; more specifically, the superior temporal gyrus. On a map, it is right in the middle of the brain.
Central Processing of Hearing Information. The sensory pathway for audition travels along the vestibulocochlear nerve, which synapses with neurons in the cochlear nuclei of the superior medulla. Within the brain stem, input from either ear is combined to extract location information from the auditory stimuli.
The brain is the organ that is truly responsible for hearing. The auditory cortex is the centre of the brain that recognizes the electric impulses from the ears as meaningful sounds – such as speech or music.
Auditory nervous system. Your auditory nerve runs from your cochlea to a station in your brain stem (known as the nucleus). From that station, neural impulses travel to your temporal lobe — where your brain attaches sound to meaning. How does hearing work?
Auditory information is analyzed by multiple brain centers as it flows to the superior temporal gyrus, or auditory cortex, the part of the brain involved in perceiving sound. In the auditory cortex, adjacent neurons tend to respond to tones of similar frequency.
